CN218567437U

CN218567437U - Water-cooled large-current probe

Info

Publication number: CN218567437U
Application number: CN202222074819.5U
Authority: CN
Inventors: 刘作斌; 娄春林; 毛羽丰; 许学炜; 顾陆威
Original assignee: Fujian Nebula Electronics Co Ltd
Current assignee: Fujian Nebula Electronics Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-03-03
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a lithium cell test equipment technical field's a water-cooled heavy current probe, include: the left side and the right side of the base are respectively provided with a left water through hole and a right water through hole; the probe body penetrates through the middle part of the base, and a left water channel and a right water channel are arranged in the probe body; the side edge of the left water channel is communicated with the left water through hole, and the end part of the left water channel is communicated with the right water channel; the side edge of the right water channel is communicated with the right limber hole; a water pump; and one ends of the two liquid cooling pipes are respectively communicated with the water inlet and the water outlet of the water pump, and the other ends of the two liquid cooling pipes are respectively communicated with the left limber hole and the right limber hole. The utility model has the advantages that: the heat dissipation effect of the probe is greatly improved.

Description

Water-cooled large-current probe

Technical Field

The utility model relates to a lithium battery test equipment technical field indicates a water-cooled heavy current probe very much.

Background

The performance parameter of the power battery is one of important parameter indexes of the new energy automobile, the performance of the power battery is influenced by the module, and the battery core determines the performance of the module. After the production of the battery core is finished, a probe needs to be used for contacting a pole of the battery core to perform direct current internal resistance testing (DCR testing), including charging DCR testing and discharging DCR testing, which are important indexes for measuring the performance of the battery core, and the DCR and the heat release of the battery core are in a direct proportion relation, so that the probe needs to be cooled during testing in order to guarantee the safety of the testing.

To the cooling of probe, adopt the form of forced air cooling on the tradition, nevertheless along with the development of lithium cell, the charge and discharge electric current of electric core is also bigger and bigger, and the calorific capacity of electric core is also bigger and bigger, and traditional forced air cooling can't suppress the temperature rise already. Therefore, how to provide a water-cooled large current probe to improve the heat dissipation effect of the probe is a technical problem to be solved urgently.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in providing a water-cooled heavy current probe, realizes promoting the radiating effect of probe.

The utility model discloses a realize like this: a water-cooled high current probe comprising:

the left side and the right side of the base are respectively provided with a left water through hole and a right water through hole;

the probe body penetrates through the middle part of the base, and a left water channel and a right water channel are arranged in the probe body; the side edge of the left water channel is communicated with the left water through hole, and the end part of the left water channel is communicated with the right water channel; the side edge of the right water channel is communicated with the right limber hole;

a water pump;

and one ends of the two liquid cooling pipes are respectively communicated with the water inlet and the water outlet of the water pump, and the other ends of the two liquid cooling pipes are respectively communicated with the left limber hole and the right limber hole.

Furthermore, the base is made of an insulating material.

Furthermore, a plurality of radiating fins are annularly arranged on the side wall of the water pump.

Furthermore, the shell of the water pump is made of stainless steel.

Furthermore, the water pump is provided with a water adding hole, and a sealing cover covers the water adding hole.

Furthermore, the liquid cooling pipe is made of an insulating transparent material.

The utility model has the advantages that:

through left water course and the right water course that sets up the intercommunication in this body of probe, left limbers and right limbers are set up respectively in the left and right sides of base, and left limbers and left water course intercommunication, right limbers and right water course intercommunication, and left limbers and right limbers are through liquid cooling pipe and water pump intercommunication again, make the coolant liquid in the water pump pass through the liquid cooling pipe, left limbers, left water course, right limbers and liquid cooling pipe are got back to in the water pump again, constantly circulate the cooling to the probe body, the water pump carries out quick heat dissipation to the coolant liquid of backward flow through stainless steel's casing and heat dissipation wing again, final very big radiating effect who has promoted the probe.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a water-cooled large current probe according to the present invention.

Fig. 2 is a cross-sectional view of a water-cooled large current probe according to the present invention.

Description of the labeling:

100-a water-cooled large-current probe, 1-a base, 2-a probe body, 3-a water pump, 4-a liquid cooling pipe, 11-a left water through hole, 12-a right water through hole, 21-a left water channel, 22-a right water channel, 31-a heat dissipation fin, 32-a water feeding hole and 33-a sealing cover.

Detailed Description

The embodiment of the utility model provides a through providing a water-cooled heavy current probe 100, solved among the prior art along with the charge-discharge current of electric core also bigger and bigger, the calorific capacity of electric core is also bigger and bigger, and traditional forced air cooling has been unable to suppress the technical problem of temperature rise, has realized very big promotion the technological effect of the radiating effect of probe.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the water pump 3 passes through left limbers 11 and the right limbers 12 of liquid cooling pipe 4 intercommunication base, set up the left water course 21 and the right water course 22 of intercommunication in the probe body 2, left limbers 11 and left water course 21 intercommunication, right limbers 12 and right water course 22 intercommunication, the coolant liquid in the water pump 3 passes through liquid cooling pipe 4, left limbers 11, left water course 21, right water course 22, right limbers 12 and liquid cooling pipe 4 are got back to in the water pump 3 again, in order to carry out water-cooling to the probe body 2, the water pump 3 dispels the heat fast through stainless steel's casing and heat dissipation fin 31 again, in order to promote the radiating effect of probe 100.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

Referring to fig. 1 to 2, a preferred embodiment of a water-cooled large current probe 100 of the present invention includes:

a left water through hole 11 and a right water through hole 12 are respectively arranged on the left side and the right side of the base 1; the base 1 is used for installing a probe body 2; the left water through hole 11 and the right water through hole 12 are used for circulating the cooling liquid;

the probe body 2 penetrates through the middle part of the base 1, and a left water channel 21 and a right water channel 22 are arranged in the probe body; the side edge of the left water channel 21 is communicated with the left water through hole 11, and the end part of the left water channel is communicated with the right water channel 22; the side edge of the right water channel 22 is communicated with the right limber hole 12; the left water channel 21 and the right water channel 22 are used for circulating the cooling liquid;

a water pump 3 for providing power for circulating the cooling liquid;

and two liquid cooling pipes 4, one end of which is respectively communicated with a water inlet (not shown) and a water outlet (not shown) of the water pump 3, and the other end of which is respectively communicated with the left water through hole 11 and the right water through hole 12, and are used for circulating the cooling liquid.

The base 1 is made of an insulating material, and interference on the test of the probe body 2 is avoided.

The side wall of the water pump 3 is annularly provided with a plurality of radiating fins 31, so that the circulating cooling liquid can be quickly radiated.

The shell of the water pump 3 is made of stainless steel, so that quick heat dissipation is facilitated.

The water pump 3 is provided with a water adding hole 32, and a sealing cover 33 covers the water adding hole 32.

The liquid cooling pipe 4 is made of an insulating transparent material, so that the circulation condition of the cooling liquid can be observed conveniently.

The utility model discloses the theory of operation:

the water pump 3 conveys cooling liquid to the left water passage 11 through the liquid cooling pipe 3, the cooling liquid flows to the right water passage 22 after entering the left water passage 21 from the left water passage 11, heat of the probe body 2 is taken away, the cooling liquid flows back to the water pump 3 through the right water passage 12 and the liquid cooling pipe 4 in sequence, and the water pump 3 conducts quick heat dissipation on the returned cooling liquid through the stainless steel shell and the heat dissipation fins 31 and enters the next circulation.

To sum up, the utility model has the advantages that:

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A water-cooled large current probe is characterized in that: the method comprises the following steps:

a water pump;

2. The water-cooled large current probe according to claim 1, wherein: the base is made of insulating materials.

3. The water-cooled large current probe according to claim 1, wherein: the side wall of the water pump is annularly provided with a plurality of radiating fins.

4. The water-cooled large current probe according to claim 1, wherein: the shell of the water pump is made of stainless steel.

5. The water-cooled large current probe according to claim 1, wherein: the water pump is provided with a water adding hole, and a sealing cover covers the water adding hole.

6. The water-cooled large current probe according to claim 1, wherein: the liquid cooling pipe is made of an insulating transparent material.